diff --git a/sound/soc/codecs/wm8523.c b/sound/soc/codecs/wm8523.c
index 0bb189a..deb2e07 100644
--- a/sound/soc/codecs/wm8523.c
+++ b/sound/soc/codecs/wm8523.c
@@ -413,7 +413,7 @@
 	return 0;
 }
 
-static struct snd_soc_codec_driver soc_codec_dev_wm8523 = {
+static const struct snd_soc_codec_driver soc_codec_dev_wm8523 = {
 	.probe =	wm8523_probe,
 	.set_bias_level = wm8523_set_bias_level,
 	.suspend_bias_off = true,